Fried Catfish with Spicy Remoulade

Name: Fried Catfish with Spicy Remoulade
Prep time: 15 min
Cook time: 14 min
Total time: 29 min
Cuisine: American
Ingredients: 1 pound catfish fillets ((about 4)); 1 cup buttermilk ((see note)); 1/4 cup pickle juice (or white vinegar); 3/4 cup yellow cornmeal; 3/4 cup all-purpose flour; 1 tablespoon cornstarch; 1 tablespoon creole seasoning; 1 teaspoon onion powder; 1 teaspoon black pepper; 1/2 teaspoon salt; 1/4 teaspoon cayenne pepper; 1 tablespoon fresh parsley (chopped); Lemon wedges (for serving); Canola oil or vegetable oil (for frying); 3/4 cup mayonnaise; 1/4 cup sour cream; 1 tablespoon dill relish; 1 tablespoon Dijon mustard; 1 tablespoon lemon juice; 1/2 tablespoons creole seasoning; 2 teaspoons prepared horseradish; 2 teaspoons Tabasco ((or your favorite hot sauce)); 2 teaspoons paprika